LS1 Lean Cruise

[Bruce Plecan]

16.2 on GN seems nice, thou early in testing
Bruce


> In OZ GM May enable the lean cruise.  I don't believe your LS1's use EGR
in
> OZ?
> It's probably in the code, I don't know.  The 89 YB code has it, as does
the
> 90-92 FB &  YB
> code, it is just not enabled.  I have heard that the EPA considered it an
> emissions defeat devise
> because it puts out more NOx.
> I enabled it on my car, (89 YB) set it to go to 15.5 to 1 at cruise.  16.0
> to 1 gave me a lean misfire.
> I also had to disable hwy spark, it caused trace detonation at cruise.
> With 3.45 gears and .5 6th gear, I can get between 28 and 31 mpg at 70
mph.
> Mark
> ----- Original Message -----
> From: "Ross Myers" <ponty at axis.jeack.com.au>
> To: <gmecm at diy-efi.org>
> Sent: Tuesday, December 05, 2000 10:45 PM
> Subject: Re: LS1 Lean Cruise
>
>
> >
> >
> > >Have run the LS1 a far bit on the dyno and it does not go into lean
> cruise
> > ,
> > >it has very quick response to self learn when a blower is installed but
I
> > >have never seen it leaner than 14.7 :1
> >
> >
> > Thanks Daniel, just as the mag said, it never goes below 14.7:1 , but
with
> > economy figures around the 13L/100Km (Sorry U.S folks) mark around town
> who
> > cares!!.
> >
> > Ross Myers
> >
>
> --------------------------------------------------------------------------
> --
> > To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> > in the body of a message (not the subject) to
majordomo at lists.diy-efi.org
> >
> >
>
> --------------------------------------------------------------------------
--
> To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>
>

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org